Julien, an absent-minded tenor, arrives late for the recital he is to give at the Grand Théâtre with Jean-Paul, the fastidious pianist. But it’s not his fault: a mischievous groundhog has stolen his car! Is the story of his funny adventure true or a lie? It doesn’t matter, because above all it allows us to walk together through the melodies of Schumann, Schubert and Beethoven, from the lakeside to the castle of the King of the Forest…